129662020

素因数分解:

$2^2\times 5^1\times {\mathrm{6483101}}^1$

素因数の和:6483110

約数の個数: 12

約数和(自身を含む): 272290284

約数和(自身を除く): 142628264

約数列:

[1, 2, 4, 5, 10, 20, 6483101, 12966202, 25932404, 32415505, 64831010, 129662020]

約数ペア:

[(1, 129662020), (2, 64831010), (4, 32415505), (5, 25932404), (10, 12966202), (20, 6483101)]